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60 lines
2.3 KiB
Diff
60 lines
2.3 KiB
Diff
From f25a1e4b5ec346d76d1bae86faa9a3bf6905b240 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:02:07 -0600
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Subject: [PATCH] EMC - Optimize Pathfinding
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Prevents pathfinding from spamming failures for things such as
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arrow attacks.
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---
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.../minecraft/server/NavigationAbstract.java | 24 +++++++++++++++++--
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1 file changed, 22 insertions(+), 2 deletions(-)
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diff --git a/src/main/java/net/minecraft/server/NavigationAbstract.java b/src/main/java/net/minecraft/server/NavigationAbstract.java
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index f06764973f..ac29f89371 100644
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--- a/src/main/java/net/minecraft/server/NavigationAbstract.java
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+++ b/src/main/java/net/minecraft/server/NavigationAbstract.java
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@@ -11,7 +11,7 @@ public abstract class NavigationAbstract {
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protected final EntityInsentient a; public Entity getEntity() { return a; } // Paper - OBFHELPER
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protected final World b;
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@Nullable
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- protected PathEntity c;
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+ protected PathEntity c; protected final PathEntity getCurrentPath() { return this.c; } // Purpur - OBFHELPER
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protected double d;
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private final AttributeInstance p;
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protected int e;
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@@ -158,10 +158,30 @@ public abstract class NavigationAbstract {
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return this.a(this.a(d0, d1, d2, 1), d3);
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}
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+ // Purpur start - optimise pathfinding
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+ private int lastFailure = 0;
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+ private int pathfindFailures = 0;
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+ // Purpur end
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+
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public boolean a(Entity entity, double d0) {
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+ // Purpur start - Pathfinding optimizations
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+ if (this.pathfindFailures > 10 && this.getCurrentPath() == null && MinecraftServer.currentTick < this.lastFailure + 40) {
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+ return false;
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+ }
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+ // Purpur end
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PathEntity pathentity = this.a(entity, 1);
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- return pathentity != null && this.a(pathentity, d0);
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+ // Purpur start - Pathfinding optimizations
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+ if (pathentity != null && this.a(pathentity, d0)) {
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+ this.lastFailure = 0;
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+ this.pathfindFailures = 0;
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+ return true;
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+ } else {
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+ this.pathfindFailures++;
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+ this.lastFailure = MinecraftServer.currentTick;
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+ return false;
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+ }
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+ // Purpur end
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}
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public boolean setDestination(@Nullable PathEntity pathentity, double speed) { return a(pathentity, speed); } // Paper - OBFHELPER
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--
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2.24.0
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